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这个问题可能是一个长镜头.在删除实体后保存时,我无法弄清楚我在核心数据项目中遇到的错误.我的.xcdatamodel可以在:

http://jump.fm/BXRCG

我有两个与我合作的主要实体,一件衣服和一件物品.我可以毫无问题地创建它们但是当我删除它们时,我得到以下错误日志:

为装备:

2009-09-22 20:17:37.771 itryiton[29027:20b] Operation could not be completed. (Cocoa error 1600.)
2009-09-22 20:17:37.773 itryiton[29027:20b]   {
    NSLocalizedDescription = "Operation could not be completed. (Cocoa error 1600.)";
    NSValidationErrorKey = outfitArticleViewProperties;
    NSValidationErrorObject = <Article: 0x12aa3c0> (entity: Article; id: 0x12b49a0 <x-coredata://7046DA47-FCE1-4E21-8D7B-E532AAC0CC46/Article/p1> ; data: {
    articleID = 2009-09-22 19:05:19 -0400;
    articleImage = 0x12b4de0 <x-coredata://7046DA47-FCE1-4E21-8D7B-E532AAC0CC46/ArticleImage/p1>;
    articleType = nil;
    attributeTitles = "(...not nil..)";
    color = nil;
    comment = nil;
    dateCreated = 2009-09-22 19:05:19 -0400;
    designer = nil;
    imageView = "(...not nil..)";
    location = …